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#2613913 - 04/30/12 03:36 PM List of group 4 synthetic oils?
sammy Offline


Registered: 07/13/06
Posts: 217
Loc: California
Sorry for the newbie question but remember every time a senior member here answers a question, they help someone. I searched but cannot get to my question. I have been using Mobil One forever, but I don't know if it is group 3 or 4. From what I gather it is high quality group 3? Anyhow, using Mobil 1 has taught me and reinforced how good synthetics are even if it isn't the absolute top grade. Can anyone point me in the direction of a couple true group 4 synthetics. Currently I am considering Amsoil but I'm completely open for suggestions.

The reason I want the best oil I can find regardless of cost is because I just purchased a 400HP Hemi and I want to take the best care possible of it. So thanks for everyone who responds in advance, I can use the help!!

.

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#2613918 - 04/30/12 03:44 PM Re: List of group 4 synthetic oils? [Re: sammy]
bepperb Offline


Registered: 01/10/08
Posts: 4655
Loc: Milwaukee, WI
M1 is a blend, as are most others, and it really depends on the specific viscosity. It could contain mostly group 4 and 5 oils.

The best place to look for advice for your Hemi would be what the manufacturer/builder specs.
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#2613970 - 04/30/12 04:31 PM Re: List of group 4 synthetic oils? [Re: sammy]
aquariuscsm Offline


Registered: 12/30/06
Posts: 9556
Loc: South Texas,USA
MJ told me it's a grp IV pao.
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Syntec 10W40/Fram Ultra
Amsoil MTG(tranny)
Amsoil 80W90 GL5(rear diff)
Mobil 1 ATF
Redline Water Wetter

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#2613971 - 04/30/12 04:36 PM Re: List of group 4 synthetic oils? [Re: sammy]
RISUPERCREWMAN Offline


Registered: 07/29/08
Posts: 664
Loc: RHODE ISLAND
I just purchased a $30,000.00 Harley Davidson FLHX & I run only AMSOIL 20W-50 V-Twin in the motor & Amsoil Severe Gear 75W-140 in the 6-speed cruise drive transmision since AMSOIL is a true synthetic! Same for my Harley Davidson F-150. I run the AMSOIL Signature Series 5w-20! Another true Synthetic! The best deserves the best!
_________________________
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#2613972 - 04/30/12 04:36 PM Re: List of group 4 synthetic oils? [Re: sammy]
aquariuscsm Offline


Registered: 12/30/06
Posts: 9556
Loc: South Texas,USA
Synerlec RP was a grp IV as well. Have no idea what the SN stuff is.
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Syntec 10W40/Fram Ultra
Amsoil MTG(tranny)
Amsoil 80W90 GL5(rear diff)
Mobil 1 ATF
Redline Water Wetter

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#2613975 - 04/30/12 04:38 PM Re: List of group 4 synthetic oils? [Re: RISUPERCREWMAN]
fxrider Offline


Registered: 06/09/09
Posts: 818
Loc: Wyoming
Motul is a top tier synthetic oil, Amazon has it as well as dennis Kirk.

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#2613978 - 04/30/12 04:42 PM Re: List of group 4 synthetic oils? [Re: sammy]
2oldtommy Offline


Registered: 10/29/06
Posts: 834
Loc: Ohio
As a rule, European syn. oils are grp 4. However if you have a new Hemi requiring 5w-20 viscosity due to the operation of the VVT, your selection possibilities are limited. IMO don't worry about the base oils as much as the adpac that provides the results you are looking for. FWIW---Oldtommy

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#2613988 - 04/30/12 04:54 PM Re: List of group 4 synthetic oils? [Re: sammy]
Gene K Offline


Registered: 01/25/03
Posts: 3161
Loc: Decatur AL USA
The common perception is -

Mobil 1 (Standard) has a high percentage of Group III with the possible exception of 0W40.

M1 EP has a higher percentage of GIV.

Without ponying up the bucks for testing its hard to say if the common perception is correct.

Amsoil OE and XL are GIII. All Amsoil lines above that should be GIV.

Redline is GIV/GV.

G-Oil is a GV (Beef Tallow based).

That said with todays technology you can make outstanding oils with GIII. Just ask the Ferrari Formula 1 Team.
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#2613998 - 04/30/12 05:01 PM Re: List of group 4 synthetic oils? [Re: 2oldtommy]
Flying_A Offline


Registered: 10/14/11
Posts: 176
Loc: San Francisco, CA
Originally Posted By: 2oldtommy
As a rule, European syn. oils are grp 4. However if you have a new Hemi requiring 5w-20 viscosity due to the operation of the VVT, your selection possibilities are limited. IMO don't worry about the base oils as much as the adpac that provides the results you are looking for. FWIW---Oldtommy


I thought the M1 0W-40 was the factory fill for the SRT8's for awhile, not a 5W-20 like in most run of the mill Mopar's? So any high quality 0W-40/5W-40 should be fine I would think. Pennzoil is now the factory fill btw.


Edited by Flying_A (04/30/12 05:01 PM)
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#2614006 - 04/30/12 05:05 PM Re: List of group 4 synthetic oils? [Re: sammy]
dparm Offline


Registered: 04/19/10
Posts: 12482
Loc: Chicago, IL
A lot of oils will have small percentages of PAO. It's hard to call one single oil a "group IV". Even an oil that is a higher percentage of PAO will likely contain group III to carry the additives and maybe even some group V.
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#2614026 - 04/30/12 05:31 PM Re: List of group 4 synthetic oils? [Re: sammy]
Tom NJ Offline


Registered: 07/27/06
Posts: 1610
Loc: New Jersey & Virginia
Originally Posted By: sammy
Can anyone point me in the direction of a couple true group 4 synthetics.....The reason I want the best oil I can find regardless of cost...


You have three choices:

1. Ask the manufacturer (assuming they will tell you, and assuming they don't lie or mislead)
2. Run a Gas Chromatogram.
3. Forget it - it's really not that important.

Tom NJ

PS - There is very good evidence that the Mobil 1 oils are based on a blend of Group III+, Group IV, and Group V base oils, the ratios depending on the grade.

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#2614029 - 04/30/12 05:35 PM Re: List of group 4 synthetic oils? [Re: sammy]
dave1251 Offline


Registered: 07/15/05
Posts: 6928
Loc: Maricopa, AZ
Originally Posted By: sammy
Sorry for the newbie question but remember every time a senior member here answers a question, they help someone. I searched but cannot get to my question. I have been using Mobil One forever, but I don't know if it is group 3 or 4. From what I gather it is high quality group 3? Anyhow, using Mobil 1 has taught me and reinforced how good synthetics are even if it isn't the absolute top grade. Can anyone point me in the direction of a couple true group 4 synthetics. Currently I am considering Amsoil but I'm completely open for suggestions.

The reason I want the best oil I can find regardless of cost is because I just purchased a 400HP Hemi and I want to take the best care possible of it. So thanks for everyone who responds in advance, I can use the help!!

.


If you want to take the best care use a approved Chrysler oil and change at the factory recommendation. At this interval a brand name conventional will protect just as well as a group IV based synthetic.
_________________________
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don't use.

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#2614061 - 04/30/12 06:13 PM Re: List of group 4 synthetic oils? [Re: sammy]
sammy Offline


Registered: 07/13/06
Posts: 217
Loc: California
I realize during the warranty period I need to change the oil every six months, but I don't mind spending extra to give my Truck better protection because I want to own it for the next twenty years. Any known group 4's for sure, I thought this would be easier? Does anyone market their product as group 4? Thanks again, and thanks for the replies so far.

.


Edited by sammy (04/30/12 06:16 PM)

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#2614072 - 04/30/12 06:20 PM Re: List of group 4 synthetic oils? [Re: sammy]
tig1 Offline


Registered: 01/03/09
Posts: 9756
Loc: Illinois
For one thing you probably won't keep this truck for 20 years. Another is I doubt even Amsoil(it is a fine product) is a PAO only oil. Also it is my understanding that a blend of various grps(3+,4,5) actually makes for a higher quality base stock than straight 4-5.
_________________________
2007 Ford Fusion 141,000 miles
M1 0-20
2007 Ford Focus 127,000 miles
M1 0-20
10,000 mile OCIs on both engines
M1 ATF
M1 10-30 in all OPE

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#2614101 - 04/30/12 06:48 PM Re: List of group 4 synthetic oils? [Re: sammy]
sammy Offline


Registered: 07/13/06
Posts: 217
Loc: California
Thanks Tig, it sounds like I have a couple votes for Amsoil and one for RP. Maybe it's not 100% group 4 but I never heard any issues with it. I had a Ford for 11 years and the biggest mistake I ever made was selling it. I regret it everyday and I have bought 6 brand new vehicles since and never held on to them. However, this Dodge is the 2010 truck of the year and is amazing on every level. Comfort, crazy power, and decent gas mileage. I'm shooting for owning it for twenty years, but who knows if I even have twenty left in me. I will take care of this baby and if I don't get twenty, my nephew will inherit a sweet truck!

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